. Report of the fifty-fourth meeting of the British Association for the Advancement of Science [microform] : held at Montreal in August and September 1884. Congresses and conventions; Science; Congrès et conférences; Sciences. ^lAliACa':EJl^ 'ID'SL CDA^'J* SlICGiHiXI,^ Plate V. G H T SIGNALS WHITE & RED FLASHES . PERIOD 30 SECONDS J 10 20 3 0 444 B^ ^1 ^ 1 i ! 1 1 1 1 1 1 1 1 1 1 1 1 i 1 1 M ^ ^ 1 M 1 1 1 60 0 444 cnn O nm HMHII ^^' "::::, 1 1 ! 1 ! M j r 1 500 ^ 444 7 600 ^ [T 2 il 1 1 ! i N ! 1 M 1 1 1 M 1 1 M 1 ^^JWU ^^^R 1 1 1 1 1 ,' J 1 ^ !, 1 . 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
![. Report of the fifty-fourth meeting of the British Association for the Advancement of Science [microform] : held at Montreal in August and September 1884. Congresses and conventions; Science; Congrès et conférences; Sciences. ^lAliACa':EJl^ 'ID'SL CDA^'J* SlICGiHiXI,^ Plate V. G H T SIGNALS WHITE & RED FLASHES .__ PERIOD 30 SECONDS J 10 20 3 0 444 B^ ^1 ^ 1 i ! 1 1 1 1 1 1 1 1 1 1 1 1 i 1 1 M ^ ^ 1 M 1 1 1 60 0 444 cnn O nm HMHII ^^' "::::, 1 1 ! 1 ! M j r 1 500 ^ 444 7 600 ^ [T 2 il 1 1 ! i N ! 1 M 1 1 1 M 1 1 M 1 ^^JWU ^^^R 1 1 1 1 1 ,' J 1 ^ !, 1 . 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Stock Photo](https://c8.alamy.com/comp/RJ6H7B/report-of-the-fifty-fourth-meeting-of-the-british-association-for-the-advancement-of-science-microform-held-at-montreal-in-august-and-september-1884-congresses-and-conventions-science-congrs-et-confrences-sciences-laliacaejl-idsl-cdaj-slicgihixi-plate-v-g-h-t-signals-white-amp-red-flashes-period-30-seconds-j-10-20-3-0-444-b-1-1-i-!-1-1-1-1-1-1-1-1-1-1-1-1-i-1-1-m-1-m-1-1-1-60-0-444-cnn-o-nm-hmhii-quot-1-1-!-1-!-m-j-r-1-500-444-7-600-t-2-il-1-1-!-i-n-!-1-m-1-1-1-m-1-1-m-1-jwu-r-1-1-1-1-1-j-1-!-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-RJ6H7B.jpg)
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. Report of the fifty-fourth meeting of the British Association for the Advancement of Science [microform] : held at Montreal in August and September 1884. Congresses and conventions; Science; Congrès et conférences; Sciences. ^lAliACa':EJl^ 'ID'SL CDA^'J* SlICGiHiXI, ^ Plate V. G H T SIGNALS WHITE & RED FLASHES .__ PERIOD 30 SECONDS J 10 20 3 0 444 B^ ^1 ^ 1 i ! 1 1 1 1 1 1 1 1 1 1 1 1 i 1 1 M ^ ^ 1 M 1 1 1 60 0 444 cnn O nm HMHII ^^' "::::, 1 1 ! 1 ! M j r 1 500 ^ 444 7 600 ^ [T 2 il 1 1 ! i N ! 1 M 1 1 1 M 1 1 M 1 ^^JWU ^^^R 1 1 1 1 1 , ' J 1 ^ !, 1 . 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ! 400 _i jjc^ytti Ji 375 « 600 £ M n V .^.1 « ^^^ 1 : 1 M i i 1 , 1 1 ! 1 1 1 1 1 1 1 I M ^ M I B ori 11 429 <Q0 , ^ 1 H 444 - 1 . â¢4J 600 3 ⢠m 1 â 1 1 1 1 1 1 1 1 n 375 o 444 If c -^ ⢠it'll 1 1 1 I 1 1 1 1 1 1 1 I 1 1 1 I 1 1 1 :, 1 . 1 1 1 1 I 1 i 1 1 1 1 1 1 1 1 1 1 I 1 I 444 g m- 429 £ 429 Z 300 ^ 600 E 600 o 400 a. < 444 429 444 . Mi 1 1 m _i8 n B â hJ^ [iM â â â B 1 1 M 1 1 1 1 11 1 1 M 11 ^ â â â 11 1 M 1 M M LJIill â¢m 1111 M 1111111M M 1 1 W â ^ 11 1 1 1 1 1 ^^^11 mn 2 T' n 111' 1'1'1111111 1 v^J ! T: ^ " jiham this. ED Mean Intensity 461. (fla.ss'.'i Paper 'Orv Tmproy'ements irv Coast/ Stgrwls! Tail" KKIL * SON Lirh in KlU" --^ â ⢠UVEKT rjUtDKN. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. British Association for the Advancement of Science. Meeting (54th : 1884 : Montreal, Quebec). London : J. Murray